anonymous@undisclosed.example.com (Anonymous) — Wed, 20 Jan 2021 01:01:48 +0000

// Google坐标系转为高德坐标系
function googleToGaode(point){
    $.ajax({
        url:'http://restapi.amap.com/v3/assistant/coordinate/convert',
        type:'get',
        dataType:'jsonp',
        data:{key:'7f5878a6b3c70298b1f01ee4bb966c66',coordsys:'gps',locations:point},
        async:true,
        success:function(data){
            return data.locations.split(',');
        }
    });
}

anonymous@undisclosed.example.com (Anonymous) — Mon, 12 Jul 2021 04:23:19 +0000

helpers.js

/**
 * 为数组添加删除方法
 * @param {string} b 接收一个数组元素
 * @return boolean
 */
Array.prototype.remove = function (b) {
  const a = this.indexOf(b);
  if (a >= 0) {
    this.splice(a, 1);
    return true;
  }
  return false;
};
 
/**
 * 随机打乱数组
 *
 * @return {Array}
 */
Array.prototype.shuffle = function () {
  var input = this;
 
  for (var i = input.length - 1; i >= 0; i--) {
    var randomIndex = Math.floor(Math.random() * (i + 1));
    var itemAtIndex = input[randomIndex];
 
    input[randomIndex] = input[i];
    input[i] = itemAtIndex;
  }
  return input;
};
 
/**
 * 为window.location 添加查询params的方法
 * @param {string} b 接收一个字符串
 * @return null|string
 */
window.location.query = function (b) {
  const reg = new RegExp("(^|&|/?)" + b + "=([^&]*)(&|$)", "i");
  const r = window.location.href.substr(1).match(reg);
  if (r != null) return r[2];
  return null;
};
 
 
 
/**
 * 为window.location 添加查询当前平台的方法
 * @return null|string
 */
window.location.platform = function () {
  let platform = null;
  const useragent = navigator.userAgent;
  // prettier-ignore
  const platforms = ["Windows NT", "Linux", "Macintosh", "Android", "iPhone", "iPod", "iPad", "Windows Phone"];
  for (let i = 0; i <= platforms.length; i++) {
    if (useragent.indexOf(platforms[i]) > -1) {
      platform = platforms[i];
      break;
    }
  }
  return platform;
};

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